package com.adou.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/**
 * @description:JDBC快速入门
 * @author:
 * @version: JDBCDemo.java v 0.1
 * @date: 2023.04.01
 */
public class JDBCDemo {
    public static void main(String[] args) throws Exception {
        // 1.注册驱动
        Class.forName("com.mysql.jdbc.Driver");

        // 2.获取连接

        String url = "jdbc:mysql://127.0.0.1:3306/db1";
        String username = "root";
        String password = "root";
        Connection connection = DriverManager.getConnection(url, username, password);

        // 3.sql
        String sql = "update account set money = 2000 where id = 1";

        // 4。获取执行sql对象
        Statement statement = connection.createStatement();

        // 5.执行sql
        int result = statement.executeUpdate(sql);

        // 6.处理结果
        System.out.println(result);

        // 7.释放资源
        statement.close();
        connection.close();





    }

}
